Weight      &      1.7466&      3.4647\\
            &    (0.6414)&    (0.6307)\\
Miles       &    -49.5122&     21.8536\\
            &   (86.1560)&   (74.2211)\\
Foreign     &            &   3673.0604\\
            &            &  (683.9783)\\
Constant    &   1946.0687&  -5853.6957\\
            & (3597.0496)& (3376.9874)\\
